A history of nitrous oxide and oxygen anaesthesia. IV. Hickman and the "introduction of certain gases into the lungs".
D000769:Anesthesia, Inhalation / Q000266:history*; D000818:Animals; D002415:Cats; D004285:Dogs; D049672:History, 19th Century; D051379:Mice; D009609:Nitrous Oxide / Q000266:history*
D009609:Nitrous Oxide